SKYLOONG SK21/GK21S Mechanical Keyboard User Manual

1. Introduction

The SKYLOONG SK21/GK21S is a compact 21-key mechanical keyboard designed for gamers and professionals. It features hot-swappable switches, RGB backlighting, and support for both wired and Bluetooth wireless connections. This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your keyboard.

2. Setup

2.1 Package Contents

Before you begin, please ensure all items are present in your package:

• SKYLOONG SK21/GK21S Mechanical Keyboard
• USB-C Cable (approx. 1.5m / 4.921ft)
• Keycap Puller
• Switch Puller
• User Manual

2.2 Connecting the Keyboard

Your keyboard supports both wired and Bluetooth wireless connections.

Wired Connection:

1. Connect the USB-C end of the provided cable to the keyboard's USB-C port.
2. Connect the other end of the cable to an available USB port on your computer.
3. The keyboard will be automatically recognized by your system.

Bluetooth Wireless Connection (for Bluetooth models):

1. Ensure the keyboard is in Bluetooth mode. If in wired mode, press FN + Space to switch to Bluetooth mode.
2. On your computer or device, enable Bluetooth and search for new devices.
3. The keyboard will appear as a discoverable device. Select it to pair.
4. The keyboard supports up to three Bluetooth devices. Use FN + Z, FN + X, or FN + C to select a Bluetooth device slot. Long press to connect to a device, short press to switch between connected devices.

2.3 Driver Software Installation

To fully customize your keyboard's lighting effects and program macros, download and install the official driver software. The software allows for:

• DIY light effects
• Powerful game macros
• Access to hundreds of downloadable light effects (continuously updated)
• Full-key programmability

3. Operating Instructions

3.1 Basic Keyboard Functions

The SK21/GK21S features 21 mechanical keys with a standard alignment, including dedicated arrow keys for enhanced usability in a compact form factor.

3.2 RGB Backlight Control

The keyboard is equipped with RGB SMD lighting, offering over 16.8 million colors and various lighting effects. You can customize these effects using the driver software. The video below demonstrates some of the dynamic RGB lighting patterns.

3.3 Windows and Mac Layout Switching

The keyboard supports both Windows and Mac layouts. You can easily switch between these layouts by pressing specific key combinations (refer to the manual or driver software for exact key bindings).

3.4 N-Key Rollover and Anti-Ghosting

The SK21/GK21S features N-Key Rollover (NKRO) and anti-ghosting, ensuring that every key press is registered accurately, even when multiple keys are pressed simultaneously. This is particularly beneficial for fast-paced gaming and typing.

3.5 Programmable Features and Macros

Utilize the driver software to program individual keys, create complex macros, and assign custom functions to enhance your workflow or gaming experience. The onboard flash memory unit can store these configurations for offline use.

4. Maintenance

4.1 Cleaning

To clean your keyboard, gently wipe the keycaps and casing with a soft, damp cloth. For deeper cleaning, you can remove the keycaps using the provided keycap puller and clean underneath. Avoid using harsh chemicals or excessive moisture.

4.2 Hot-Swappable Switches

The SK21/GK21S features hot-swappable switches, allowing you to easily change switches without soldering. This is compatible with Gateron, Box, and Cherry MX 3-pin and 5-pin optical switches. Use the provided switch puller to carefully remove and insert switches.

4.3 IPX6 Dustproof Design

The keyboard's mainboard is designed with IPX6 dustproof protection, offering enhanced durability against dust and minor spills. While it provides protection, it is not fully waterproof, so avoid submerging the keyboard in liquids.

5. Troubleshooting

5.1 Connection Issues

• Wired Connection Not Detected: Ensure the USB-C cable is securely connected to both the keyboard and the computer. Try a different USB port or cable.
• Bluetooth Pairing Failure: Make sure the keyboard is in Bluetooth mode (FN + Space). Ensure your device's Bluetooth is enabled and discoverable. Try forgetting the device on your computer and re-pairing. Ensure the keyboard is charged if it's a wireless model.

5.2 Key Not Responding

• Single Key: If a single key is not responding, try removing and re-inserting the switch for that key. Ensure the switch is properly seated.
• Multiple Keys: Check the keyboard's connection (wired or Bluetooth). If using wired, try a different USB port. If using Bluetooth, try re-pairing or switching to wired mode.

5.3 Backlight Issues

• No Backlight: Ensure the keyboard is powered on and connected. Check the driver software for backlight settings.
• Incorrect Colors/Effects: Use the driver software to reset or reconfigure your desired RGB lighting effects.

5.4 Driver Software Issues

• Software Not Launching/Recognizing Keyboard: Ensure the keyboard is connected via USB when using the software. Try reinstalling the driver software.

5.5 Missing Components

If any part is missing from your package, please contact the seller or manufacturer for assistance. They will arrange to send the missing pieces.

6. Specifications

7. User Tips

• Switch Types: The GK models use mechanical switches with physical triggers, which are power-efficient but may have a slightly slower trigger response. The SK models use optical switches with optical triggers, offering faster response times but potentially higher power consumption. Choose the model that best suits your preference for speed versus power efficiency.
• Customization: Take advantage of the comprehensive driver software to personalize your keyboard's lighting and key functions. Experiment with different RGB effects and macro settings to optimize your experience.
• Portability: The compact 21-key layout makes this keyboard highly portable, ideal for use with laptops, tablets, or as a dedicated numpad for gaming setups.

8. Warranty and Support

8.1 Product Warranty

Defective products must be reported within 3 days of receipt, accompanied by a picture of the defective part. The product should be returned within 1 week from the time of receipt, including all original, undamaged items in resaleable condition, for an exchange.

8.2 Electronic Manual

If you accidentally lose the printed instructions, you can contact the seller or manufacturer to request a high-definition electronic version of the manual.

8.3 Customer Support

For any issues or inquiries, please contact the SKYLOONG Official Store. They aim to respond within 24 hours, though there may be delays during weekends or holidays. They are committed to resolving problems and ensuring customer satisfaction.